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Differences of Leaf Digestibility and Mineral Content Among 10 Grasses of Triticeae

YU Zhuo 1,SAIGA Suguru 2 (1.College of Agronomy, Inner Mongolia Agricultural University, Huhhot 010019, China; 2.Faculty of Agriculture, Iwate University,Morioka 020 8550, Japan)  
The leaf digestibility and mineral content of 10 grasses of Triticeae were analyzed by using scanning microscope and energy dispersive X ray technique.The order of leaf digestibility of the grasses was Elymus sibiricusHordeum brevisubulatumAgropyron cristatum cv.'Fairway'= E.CanadensisA.cristatum×A.desertorum cv.'Hycrest Mongnon' A.desertorum cv.'Nordan' E.excelsus≥Psathyrostachys juncea=E.dahuricusA.mongolicum. The mineral element content range in the leaves of the tested grasses was Mg 0.21%~0.57%,Si 0.90%~3.31%,P 0.27%~0.36%,S 0.36%~0.60%,Cl 0.21%~ 0.52% ,K 1.44%~3.06%,Ca 0.42%~0.98%,and the differences among the grasses were significant.
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